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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-08-19 19:09:23 +0400 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-08 13:13:32 +0400 |
| commit | 44834a67c0082e2cf74b16be91e49108b1432d65 (patch) | |
| tree | ebe2c53b1a08b99a95b579942ae2d7603935709d /drivers/gpu/drm/i915/i915_drv.c | |
| parent | 3b61796785e7b0ca8846b7a709216dceb6e2f68d (diff) | |
| download | linux-44834a67c0082e2cf74b16be91e49108b1432d65.tar.xz | |
drm/i915: Use the VBT from OpRegion when available (v3)
It is recommended that we use the Video BIOS tables that were copied
into the OpRegion during POST when initialising the driver. This saves
us from having to furtle around inside the ROM ourselves and possibly
allows the vBIOS to adjust the tables prior to initialisation.
On some systems, such as the Samsung N210, there is no accessible VBIOS
and the only means of finding the VBT is through the OpRegion.
v2: Rearrange the code so that ASLE is enabled along with ACPI
v3: Enable OpRegion parsing even without ACPI
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ba75255ec450..2879a768d65c 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -236,7 +236,7 @@ static int i915_drm_freeze(struct drm_device *dev) i915_save_state(dev); - intel_opregion_free(dev, 1); + intel_opregion_fini(dev); /* Modeset on resume, not lid events */ dev_priv->modeset_on_lid = 0; @@ -276,8 +276,7 @@ static int i915_drm_thaw(struct drm_device *dev) int error = 0; i915_restore_state(dev); - - intel_opregion_init(dev, 1); + intel_opregion_setup(dev); /* KMS EnterVT equivalent */ if (drm_core_check_feature(dev, DRIVER_MODESET)) { @@ -293,6 +292,8 @@ static int i915_drm_thaw(struct drm_device *dev) drm_helper_resume_force_mode(dev); } + intel_opregion_init(dev); + dev_priv->modeset_on_lid = 0; return error; |